hard Set 20 Form Exercise

Write the fact family for 2, 2, 4:

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Answer: 2 × 2 = 4; 2 × 2 = 4; 4 ÷ 2 = 2; 4 ÷ 2 = 2

SubType
fact-family
Facts
  • 2 × 2 = 4
  • 2 × 2 = 4
  • 4 ÷ 2 = 2
  • 4 ÷ 2 = 2
Difficulty
hard

Write the fact family for 87, 13, 100:

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Answer: 87 + 13 = 100; 13 + 87 = 100; 100 - 87 = 13; 100 - 13 = 87

SubType
fact-family
Facts
  • 87 + 13 = 100
  • 13 + 87 = 100
  • 100 - 87 = 13
  • 100 - 13 = 87
Difficulty
hard

Write the fact family for 68, 5, 73:

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Answer: 68 + 5 = 73; 5 + 68 = 73; 73 - 68 = 5; 73 - 5 = 68

SubType
fact-family
Facts
  • 68 + 5 = 73
  • 5 + 68 = 73
  • 73 - 68 = 5
  • 73 - 5 = 68
Difficulty
hard

Write the fact family for 53, 40, 93:

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Answer: 53 + 40 = 93; 40 + 53 = 93; 93 - 53 = 40; 93 - 40 = 53

SubType
fact-family
Facts
  • 53 + 40 = 93
  • 40 + 53 = 93
  • 93 - 53 = 40
  • 93 - 40 = 53
Difficulty
hard

Write the fact family for 49, 11, 60:

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Answer: 49 + 11 = 60; 11 + 49 = 60; 60 - 49 = 11; 60 - 11 = 49

SubType
fact-family
Facts
  • 49 + 11 = 60
  • 11 + 49 = 60
  • 60 - 49 = 11
  • 60 - 11 = 49
Difficulty
hard

Write the fact family for 28, 71, 99:

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Answer: 28 + 71 = 99; 71 + 28 = 99; 99 - 28 = 71; 99 - 71 = 28

SubType
fact-family
Facts
  • 28 + 71 = 99
  • 71 + 28 = 99
  • 99 - 28 = 71
  • 99 - 71 = 28
Difficulty
hard